diff --git a/internal/logic/public/portal/tool.go b/internal/logic/public/portal/tool.go
index c2d2bbd..94b80b4 100644
--- a/internal/logic/public/portal/tool.go
+++ b/internal/logic/public/portal/tool.go
@@ -10,8 +10,8 @@ func getDiscount(discounts []types.SubscribeDiscount, inputMonths int64) float64
 	var finalDiscount int64 = 100
 
 	for _, discount := range discounts {
-		if inputMonths >= discount.Quantity && discount.Discount < finalDiscount {
-			finalDiscount = discount.Discount
+		if inputMonths >= discount.Quantity && int64(discount.Discount*100) < finalDiscount {
+			finalDiscount = int64(discount.Discount * 100)
 		}
 	}
 	return float64(finalDiscount) / float64(100)